[Parathyroid selective venous sampling]. 1995

K Tada, and M Isaka, and Y Okuda
Department of Internal Medicine, University of Tsukuba.

It is important to localize the site of abnormal parathyroid glands in treatment of primary hyperparathyroidism. Selective venous sampling with parathyroid hormone assay is one of the methods for localization of adenoma or hyperplasia in primary hyperparathyroidism. Since Reitz first described it in 1969, it has been improved during the last two decades and there is a high sensitivity (70-80%). Especially in those cases, localization is unknown in imaging methods, the first operation fails or the patients has previously been explored in the neck, venous sampling becomes a very useful method. How to perform, indication, performance, strengths and weakness of selective venous sampling is described here.

UI MeSH Term Description Entries
D006961 Hyperparathyroidism A condition of abnormally elevated output of PARATHYROID HORMONE (or PTH) triggering responses that increase blood CALCIUM. It is characterized by HYPERCALCEMIA and BONE RESORPTION, eventually leading to bone diseases. PRIMARY HYPERPARATHYROIDISM is caused by parathyroid HYPERPLASIA or PARATHYROID NEOPLASMS. SECONDARY HYPERPARATHYROIDISM is increased PTH secretion in response to HYPOCALCEMIA, usually caused by chronic KIDNEY DISEASES.
D010281 Parathyroid Hormone A polypeptide hormone (84 amino acid residues) secreted by the PARATHYROID GLANDS which performs the essential role of maintaining intracellular CALCIUM levels in the body. Parathyroid hormone increases intracellular calcium by promoting the release of CALCIUM from BONE, increases the intestinal absorption of calcium, increases the renal tubular reabsorption of calcium, and increases the renal excretion of phosphates. Natpara,PTH (1-84),PTH(1-34),Parathormone,Parathyrin,Parathyroid Hormone (1-34),Parathyroid Hormone (1-84),Parathyroid Hormone Peptide (1-34),Hormone, Parathyroid
D001800 Blood Specimen Collection The taking of a blood sample to determine its character as a whole, to identify levels of its component cells, chemicals, gases, or other constituents, to perform pathological examination, etc. Blood Specimen Collections,Collection, Blood Specimen,Collections, Blood Specimen,Specimen Collection, Blood,Specimen Collections, Blood
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014680 Veins The vessels carrying blood away from the CAPILLARY BEDS. Vein

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